Announced today, the future villain will appear in the current season, however, don’t expect to see him in the crossover at all.

In a joint statement, Supergirl EPs Robert Rovner and Jessica Queller said, “We’re beyond excited to introduce…Lex Luthor to Supergirl and to weave him into our story this season.”

They continued, “We’ve talked about having Lex on the show since it’s inception and we’re excited to have him finally arrive. We can’t wait for him to shake things up in National City and watch him go toe to toe with not only Supergirl, but his sister Lena Luthor.”